AMD (Advanced Micro Devices) are a Processor Design and Manufacturing company, they are most well known for their ranges of Desktop PC Processors but also supply Mobile and Server Processors. The latter being primarily for cloud computing and virtualization environments. AMD devices are used everywhere from the smallest PC to state of the art Super Computers. Their purchase of ATI in 2006 has led to AMD developing CPU's that not only do normal processing functions but also graphics processing functions within a single chip.